CN110903641A - Hydrolysis-resistant glass fiber reinforced polyamide composite material and product thereof - Google Patents

Hydrolysis-resistant glass fiber reinforced polyamide composite material and product thereof Download PDF

Info

Publication number
CN110903641A
CN110903641A CN201811080974.XA CN201811080974A CN110903641A CN 110903641 A CN110903641 A CN 110903641A CN 201811080974 A CN201811080974 A CN 201811080974A CN 110903641 A CN110903641 A CN 110903641A
Authority
CN
China
Prior art keywords
hydrolysis
glass fiber
parts
weight
composite material
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811080974.XA
Other languages
Chinese (zh)
Inventor
李佩航
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitac Precision Technology Kunshan Ltd
Original Assignee
Mitac Precision Technology Kunshan Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitac Precision Technology Kunshan Ltd filed Critical Mitac Precision Technology Kunshan Ltd
Priority to CN201811080974.XA priority Critical patent/CN110903641A/en
Publication of CN110903641A publication Critical patent/CN110903641A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/04Reinforcing macromolecular compounds with loose or coherent fibrous material
    • C08J5/0405Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres
    • C08J5/043Reinforcing macromolecular compounds with loose or coherent fibrous material with inorganic fibres with glass fibres
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2377/00Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
    • C08J2377/06Polyamides derived from polyamines and polycarboxylic acids
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2477/00Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
    • C08J2477/02Polyamides derived from omega-amino carboxylic acids or from lactams thereof
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2479/00Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2461/00 - C08J2477/00
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/30Sulfur-, selenium- or tellurium-containing compounds
    • C08K2003/3009Sulfides
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00Use of ingredients characterised by shape
    • C08K7/02Fibres or whiskers
    • C08K7/04Fibres or whiskers inorganic
    • C08K7/14Glass

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Reinforced Plastic Materials (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention relates to the field of high polymer materials, in particular to a hydrolysis-resistant glass fiber reinforced polyamide composite material and a product thereof. The hydrolysis-resistant glass fiber reinforced polyamide composite material comprises the following components: polyamide material, antioxidant, glass fiber, lubricant and anti-hydrolysis agent. The product is produced after the hydrolysis-resistant glass fiber reinforced polyamide composite material is molded. According to the hydrolysis-resistant glass fiber reinforced polyamide composite material and the product thereof, the hydrolysis resistant agent is added into the polyamide material, so that the hydrophilic group of the material is protected, the hydrolysis resistance and the toughness of the material are improved, the water absorption rate of the polyamide material in a humid environment is reduced, and the excellent mechanical property is still maintained.

Description

Hydrolysis-resistant glass fiber reinforced polyamide composite material and product thereof
[ technical field ] A method for producing a semiconductor device
The invention relates to the field of high polymer materials, in particular to a hydrolysis-resistant glass fiber reinforced polyamide composite material and a product thereof.
[ background of the invention ]
Polyamide materials PA6 (polycaprolactam) and PA66 (polyhexamethylene adipamide) are generic names of thermoplastic resins containing a repeating amide group on a molecular chain, and are widely used in parts of automobiles and machinery due to characteristics of excellent physical and mechanical properties, lubricity, good processing fluidity, excellent wear resistance, cold resistance, easy molding and the like.
Glass fiber (short for glass fiber) reinforced polyamide materials are more and more widely applied to manufacturing of parts such as water pumps, automobile water tanks, electric vehicle structural parts, household appliances and the like. However, due to the existence of amide groups, hydrogen bonds are easily formed between water molecules, so that the defects of high water absorption rate, plasticizing effect, modulus reduction, poor dimensional stability, poor heat resistance and the like are caused, 2-4% of water can be absorbed in a normal-temperature environment, and the mechanical property of the material is easily changed due to hydrolysis.
In view of the above, it is necessary to develop a hydrolysis-resistant glass fiber reinforced polyamide composite material to overcome the defect that the glass fiber reinforced polyamide material in the prior art is easily hydrolyzed to cause the change of the mechanical properties of the material.
[ summary of the invention ]
Therefore, the invention aims to provide a hydrolysis-resistant glass fiber reinforced polyamide composite material, which can protect hydrophilic groups of the material and improve the hydrolysis resistance of polyamide.
In order to achieve the purpose, the hydrolysis-resistant glass fiber reinforced polyamide composite material comprises the following components in parts by weight:
Figure BDA0001801948350000011
optionally, in the polyamide material, the addition amount of the PA6 is 5-20 parts, and the addition amount of the PA66 is 30-80 parts.
Alternatively, the PA6 is added in an amount of 5 parts by weight, 10 parts by weight, or 20 parts by weight, and the PA66 is added in an amount of 43.8 parts by weight, 58.9 parts by weight, or 64 parts by weight.
Alternatively, the viscosity of the PA6 is 2.4 PAs-3.2 PAs and the viscosity of the PA66 is 2.7 PAs-3.6 PAs.
Optionally, the antioxidant comprises at least one of hindered phenol antioxidants, phosphite antioxidants, and thio antioxidants.
Optionally, the glass fibers are chopped strands, the diameter of the glass fibers is 9-13 μm, and the chopped length is 4.5 mm.
Optionally, the lubricant is at least one of calcium stearate, pentaerythritol stearate, polyurethane slip agent.
Optionally, the hydrolysis resistance agent is a mixture of polycarbodiimide and copper sulfide.
Alternatively, the anti-hydrolysis agent is added in an amount of 0.2 parts by weight, 0.3 parts by weight, or 0.4 parts by weight.
In addition, the invention also provides a product which is produced after the hydrolysis-resistant glass fiber reinforced polyamide composite material is molded.
Compared with the prior art, the hydrolysis-resistant glass fiber reinforced polyamide composite material and the product thereof have the advantages that the hydrolysis-resistant agent is added into the polyamide material, so that the hydrophilic group of the material is protected, the hydrolysis resistance and the toughness of the material are improved, the water absorption rate of the polyamide material in a humid environment is reduced, and the excellent mechanical property is still maintained.
[ detailed description ] embodiments
The hydrolysis-resistant glass fiber reinforced polyamide composite material comprises the following components in parts by weight:
30-100 parts of polyamide material, wherein the addition amount of the PA6 is 5-20 parts. The addition amount of the PA66 is 30-80 parts, preferably, the addition amount of the PA6 is 5 parts by weight, 10 parts by weight or 20 parts by weight, and the addition amount of the PA66 is 43.8 parts by weight, 58.9 parts by weight or 64 parts by weight. Preferably, the viscosity of the PA6 is 2.4 Pa.s (pascal second) to 3.2 Pa.s, and the viscosity of the PA66 is 2.7 Pa.s to 3.6 Pa.s.
0.1-0.5 part of antioxidant, wherein the antioxidant comprises at least one of hindered phenol antioxidant, phosphite antioxidant and thio antioxidant, and is used for preventing the polyamide composite material from yellowing and degrading during processing.
15-50 parts of glass fiber, wherein the mechanical property of the polyamide material can be improved by adding the glass fiber into the polyamide composite material, the glass fiber is chopped strand, the diameter of the glass fiber is 9-13 mu m, and the glass fiber has better effect of enhancing the mechanical property when the chopped length is 4.5mm, wherein the adding amount of the glass fiber is 15 parts by weight, 30 parts by weight or 50 parts by weight.
0.1-1 part of lubricant, wherein the lubricant is at least one of calcium stearate, pentaerythritol stearate (namely PETS) and polyurethane slip agent (namely RH-313), and the lubricant is 0.3 part, 0.5 part or 0.7 part.
0.2-2 parts of hydrolysis resistant agent, wherein the hydrolysis resistant agent is a mixture of polycarbodiimide and copper sulfide, and the addition amount of the hydrolysis resistant agent is 0.2 part by weight, 0.3 part by weight or 0.4 part by weight.
For further understanding of the purpose, technical efficacy and technical means of the present invention, reference will now be made in detail to the following embodiments.
Example 1
A hydrolysis-resistant glass fiber reinforced polyamide composite material comprises 64 parts by weight of PA66, 20 parts by weight of PA6, 15 parts by weight of glass fiber, 0.4 part by weight of hydrolysis-resistant agent, 0.3 part by weight of antioxidant and 0.3 part by weight of lubricant.
Weighing the corresponding components in proportion, fully and uniformly mixing the components through a high-speed mixer, and then feeding the mixture into a double-screw extruder for melt extrusion granulation.
Example 2
A hydrolysis-resistant glass fiber reinforced polyamide composite material comprises 58.9 parts by weight of PA66, 10 parts by weight of PA6, 30 parts by weight of glass fiber, 0.3 part by weight of hydrolysis-resistant agent, 0.3 part by weight of antioxidant and 0.5 part by weight of lubricant.
Weighing the corresponding components in proportion, fully and uniformly mixing the components through a high-speed mixer, and then feeding the mixture into a double-screw extruder for melt extrusion granulation.
Example 3
A hydrolysis-resistant glass fiber reinforced polyamide composite material comprises 43.8 parts by weight of PA66, 5 parts by weight of PA6, 50 parts by weight of glass fiber, 0.2 part by weight of hydrolysis-resistant agent, 0.3 part by weight of antioxidant and 0.7 part by weight of lubricant.
Weighing the corresponding components in proportion, fully and uniformly mixing the components through a high-speed mixer, and then feeding the mixture into a double-screw extruder for melt extrusion granulation.
The above examples were injection molded into standard test specimens on an injection molding machine, and the mechanical properties in the initial state and the mechanical properties after boiling were measured according to the relevant standards, and the test results are shown in table 1 below.
TABLE 1 test results
Figure BDA0001801948350000031
The test results in the table show that after the hydrolysis resistant agent is added into the polyamide material, the polyamide material has excellent mechanical properties in an initial state, and after the polyamide material is boiled in water for 120 hours, the tensile strength, the bending strength and the bending modulus in the mechanical properties are still excellent, and the impact strength is improved to a certain extent.
In addition, the invention also provides a product which is produced after the hydrolysis-resistant glass fiber reinforced polyamide composite material is molded, and the product can be parts of a water pump, an automobile water tank, an electric vehicle structural part, household appliances and the like.

Claims (10)

1. The hydrolysis-resistant glass fiber reinforced polyamide composite material is characterized by comprising the following components in parts by weight:
Figure FDA0001801948340000011
2. the hydrolysis-resistant glass fiber reinforced polyamide composite material as claimed in claim 1, wherein the polyamide material contains PA6 in an amount of 5-20 parts and PA66 in an amount of 30-80 parts.
3. The hydrolysis-resistant glass fiber reinforced polyamide composite material as claimed in claim 2, wherein the PA6 is added in an amount of 5 parts by weight, 10 parts by weight or 20 parts by weight, and the PA66 is added in an amount of 43.8 parts by weight, 58.9 parts by weight or 64 parts by weight.
4. The hydrolysis-resistant glass fiber reinforced polyamide composite material of claim 2, wherein the viscosity of PA6 is 2.4 PA-s to 3.2 PA-s, and the viscosity of PA66 is 2.7 PA-s to 3.6 PA-s.
5. The hydrolysis-resistant glass fiber reinforced polyamide composite material of claim 1, wherein the antioxidant comprises at least one of hindered phenol antioxidants, phosphite antioxidants, and thio antioxidants.
6. The hydrolysis-resistant glass fiber reinforced polyamide composite material as claimed in claim 1, wherein the glass fiber is chopped strand, the diameter of the glass fiber is 9-13 μm, and the chopped length is 4.5 mm.
7. The hydrolysis-resistant glass fiber reinforced polyamide composite material as claimed in claim 1, wherein the lubricant is at least one of calcium stearate, pentaerythritol stearate, and polyurethane slip agent.
8. The hydrolysis-resistant glass fiber reinforced polyamide composite material of claim 1, wherein the hydrolysis resistant agent is a mixture of polycarbodiimide and copper sulfide.
9. The hydrolysis-resistant glass fiber reinforced polyamide composite material of claim 1 or 8, wherein the hydrolysis resistant agent is added in an amount of 0.2 parts by weight, 0.3 parts by weight, or 0.4 parts by weight.
10. A product produced by molding the hydrolysis-resistant glass fiber reinforced polyamide composite material according to any one of claims 1 to 9.
CN201811080974.XA 2018-09-17 2018-09-17 Hydrolysis-resistant glass fiber reinforced polyamide composite material and product thereof Pending CN110903641A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811080974.XA CN110903641A (en) 2018-09-17 2018-09-17 Hydrolysis-resistant glass fiber reinforced polyamide composite material and product thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811080974.XA CN110903641A (en) 2018-09-17 2018-09-17 Hydrolysis-resistant glass fiber reinforced polyamide composite material and product thereof

Publications (1)

Publication Number Publication Date
CN110903641A true CN110903641A (en) 2020-03-24

Family

ID=69813453

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811080974.XA Pending CN110903641A (en) 2018-09-17 2018-09-17 Hydrolysis-resistant glass fiber reinforced polyamide composite material and product thereof

Country Status (1)

Country Link
CN (1) CN110903641A (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090110927A1 (en) * 2005-03-29 2009-04-30 Toray Industries, Inc., A Corporation Of Japan Resin Composition, Molded Article and Production Method Thereof
CN102585495A (en) * 2012-01-06 2012-07-18 聚威工程塑料(上海)有限公司 Hydrolysis-resistant glass fiber reinforced polyamide 66 (PA66) composite material and preparation method thereof
CN103113737A (en) * 2012-10-08 2013-05-22 天津戈瑞德新材料科技有限公司 Glass fiber reinforced and hydrolysis-resistant nylon PA (Polyethylene) 6/PA66 composite material and preparation method thereof
CN104804415A (en) * 2015-03-17 2015-07-29 南京利华工程塑料有限公司 Hydrolysis-resisting glass fiber reinforced polyamide composite and preparation method thereof
CN104861649A (en) * 2015-05-21 2015-08-26 广东威林工程塑料有限公司 High-temperature-resistant nylon material for high-humidity and high-pressure environment and preparation method of high-temperature-resistant nylon material
CN106280436A (en) * 2016-08-31 2017-01-04 广东顺德顺炎新材料股份有限公司 A kind of hydrolysis PA material and preparation method thereof
CN106317867A (en) * 2015-06-18 2017-01-11 合肥杰事杰新材料股份有限公司 Low-fiber exposure hydrolysis-resistant continuous glass fiber reinforced polyamide composite material and preparation method thereof
CN107778853A (en) * 2016-08-29 2018-03-09 合肥杰事杰新材料股份有限公司 A kind of heat oxygen aging resistance hydrolysis continuous glass-fiber reinforced polyamide composite and preparation method thereof

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090110927A1 (en) * 2005-03-29 2009-04-30 Toray Industries, Inc., A Corporation Of Japan Resin Composition, Molded Article and Production Method Thereof
CN102585495A (en) * 2012-01-06 2012-07-18 聚威工程塑料(上海)有限公司 Hydrolysis-resistant glass fiber reinforced polyamide 66 (PA66) composite material and preparation method thereof
CN103113737A (en) * 2012-10-08 2013-05-22 天津戈瑞德新材料科技有限公司 Glass fiber reinforced and hydrolysis-resistant nylon PA (Polyethylene) 6/PA66 composite material and preparation method thereof
CN104804415A (en) * 2015-03-17 2015-07-29 南京利华工程塑料有限公司 Hydrolysis-resisting glass fiber reinforced polyamide composite and preparation method thereof
CN104861649A (en) * 2015-05-21 2015-08-26 广东威林工程塑料有限公司 High-temperature-resistant nylon material for high-humidity and high-pressure environment and preparation method of high-temperature-resistant nylon material
CN106317867A (en) * 2015-06-18 2017-01-11 合肥杰事杰新材料股份有限公司 Low-fiber exposure hydrolysis-resistant continuous glass fiber reinforced polyamide composite material and preparation method thereof
CN107778853A (en) * 2016-08-29 2018-03-09 合肥杰事杰新材料股份有限公司 A kind of heat oxygen aging resistance hydrolysis continuous glass-fiber reinforced polyamide composite and preparation method thereof
CN106280436A (en) * 2016-08-31 2017-01-04 广东顺德顺炎新材料股份有限公司 A kind of hydrolysis PA material and preparation method thereof

Similar Documents

Publication Publication Date Title
CN100575419C (en) A kind of polyamide material and preparation method thereof
CN1204198C (en) Glass fiber reinforced blow molded nylon
CN110982258A (en) Floating-fiber-free high-glass-fiber-reinforced nylon material and preparation method thereof
CN102241883A (en) Antimicrobial polyamide material and preparation method thereof
EP1990369A1 (en) Glass-fiber-reinforced thermoplastic resin composition and molded article
CN103059562B (en) High-glossiness anti-warping high-strength PA6 (polyamide 6) composite material, and preparation and application thereof
CN102276982A (en) Polyphenylene sulfide and high-temperature-resistant nylon complex and preparation method thereof
CN108587146B (en) Heat-resistant long glass fiber reinforced nylon composite material and preparation method thereof
CN102675863A (en) Low warpage polyamide composite material
CN104231616A (en) Reinforcing toughening high-temperature-resistant nylon composite material and preparation method thereof
CN105754336A (en) PA66 composite material composition with favorable appearance and high static pressure resistance and preparation method of PA66 composite material composition
CN102286201A (en) High-strength nylon complex and preparation method thereof
CN110791086B (en) High weld mark strength glass fiber reinforced polyamide composite material and preparation method thereof
CN113429781A (en) Long glass fiber reinforced bio-based polyamide 56, alloy and preparation method thereof
CN112759900A (en) Glass fiber reinforced polybutylene terephthalate composite material and preparation method thereof
CN111117224A (en) Low-water-absorption glass fiber reinforced polyamide material and preparation method thereof
KR101602814B1 (en) Polyamide 66 resin composition reinforced with glass fiber for high tensile strength and manufacturing method thereof
CN115960414B (en) Polypropylene composite material and preparation method and application thereof
CN110903641A (en) Hydrolysis-resistant glass fiber reinforced polyamide composite material and product thereof
EP1265962B1 (en) Hydrolysis-resistant polyamide molding materials for use in gas injection techniques (git)
CN102731907B (en) Glass fiber reinforced PP / PA composite material
KR101740687B1 (en) Polyamide based polymer compositions having good flowability and polyamide based composite material using the same
CN104119675A (en) Preparation method of reinforced nylon PA6 modified engineering plastic
KR101795675B1 (en) Polyamide based polymer compositions comprising cyclic compound and polyamide based composite material using the same
CN111040439B (en) Polyamide material with excellent wear resistance, and preparation method and application thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20200324